// Mix of same and different hosts
        for (int i = 0; i < numTasks; i++) {
            final int index = i;
            tasks.add(new Callable<Integer>() {
                public Integer call() throws Exception {
                    final UrlQueue q = new UrlQueueImpl();
                    // Use modulo to create multiple accesses to same hosts

      throw new IllegalArgumentException(e);
    }

    boolean empty;
    if (effectiveRange.isEmpty()) {
      empty = true;
    } else {
      /*
       * requireNonNull is safe because the effectiveRange operations above would have thrown or
       * effectiveRange.isEmpty() would have returned true.
       */
      C afterLower = requireNonNull(range.lowerBound.leastValueAbove(domain));

        }
      }
    } finally {
      if (interrupted) {
        Thread.currentThread().interrupt();
      }
    }
    return added;
  }

  /**
   * Returns a synchronized (thread-safe) queue backed by the specified queue. In order to guarantee
   * serial access, it is critical that <b>all</b> access to the backing queue is accomplished
   * through the returned queue.
   *

        final String o = "hoge";
        final byte[] binary = SerializeUtil.fromObjectToBinary(o);
        assertEquals(o, SerializeUtil.fromBinaryToObject(binary));
    }

    /**
     * Test default filter allows common safe classes
     *
     * @throws Exception
     */
    public void testFromBinaryToObject_DefaultFilter_AllowsSafeClasses() throws Exception {
        // Test String
        final String str = "test string";

    }

    public void test_threadSafety() {
        // Test that NullResponseProcessor can be used concurrently
        // Since it does nothing, it should be inherently thread-safe
        final NullResponseProcessor processor = new NullResponseProcessor();

        // Create multiple response data objects
        final ResponseData[] responseDataArray = new ResponseData[10];

        return next;
      }
    }
    return null;
  }

  /**
   * Determines whether two iterables contain equal elements in the same order. More specifically,
   * this method returns {@code true} if {@code iterable1} and {@code iterable2} contain the same
   * number of elements and every element of {@code iterable1} is equal to the corresponding element
   * of {@code iterable2}.
   */

      // assumes that each set is a singleton or less (as is done for the samples)
      for (Object elem : elements) {
        @SuppressWarnings("unchecked") // safe by generator contract
        Entry<String, Collection<Integer>> entry = (Entry<String, Collection<Integer>>) elem;
        Integer value = getOnlyElement(entry.getValue());
        builder.put(entry.getKey(), value);
      }

    FluentIterable<? extends Number> numbers = getSomeNumbers();

    // Sadly, the following is what users will have to do in some circumstances.

    @SuppressWarnings("unchecked") // safe covariant cast
    Optional<Number> first = (Optional<Number>) numbers.first();
    Number value = first.or(0.5); // fine
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester

        /**
         * Establishes a connection to the GCS service.
         * This method creates a GCS Storage client using environment variables for configuration.
         * This method is synchronized to ensure thread-safe connection initialization.
         *
         * @throws IOException If the connection cannot be established
         */
        @Override
        public synchronized void connect() throws IOException {

        /**
         * Establishes a connection to the S3 service.
         * This method creates an AWS S3 client using environment variables for configuration.
         * This method is synchronized to ensure thread-safe connection initialization.
         *
         * @throws IOException If the connection cannot be established
         */
        @Override
        public synchronized void connect() throws IOException {